This is a very small and easy to use application with no special requirenments for you network. Just download this file and install it on each computer. Check if the Microphone is installed correctly. Set up a list of the computers you wish to communicate to, and you've installed your new phone system! When you wish to talk just start the program, choose a computer and hold the CTRL key. While you hold the Ctrl key the sounds your microphone catches are being transfered to the computer you've choosen. The person on the other computer will hear your voice because a part of the application is always active and accepting voice messages.
Some technical Details: This version of the software is tuned for LAN communication and uses around 3kb/s of the Network Bandwidth which less than 1% of your network capabilities. We've also made a special version of this program which uses only 2Kb/s or less which means it can run smoothly even on very slow internet connected networks.Try afghan chat voice.